#include"khaibao.h"
#include<conio.h>
void show()
{
	Rectangle recta(5, 6);
	static Rectangle rectb(3, 4);
	cout << "are a:" << recta.area() << endl;
	cout << "area b:" << rectb.area() << endl;
}
int main(){
	show();
	_getch();
	return 0;
}